From f828ff5b148e4e083001c25d2e9c3b52c0e87da3 Mon Sep 17 00:00:00 2001
From: David Thompson <davet@gnu.org>
Date: Wed, 8 Jun 2016 12:07:39 -0400
Subject: gnu: boost: Allow for customizable build flags.

* gnu/packages/boost.scm (boost)[arguments]: Extract build flags to #:make-flags argument.
---
 gnu/packages/boost.scm | 80 +++++++++++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 40 deletions(-)

(limited to 'gnu/packages/boost.scm')

diff --git a/gnu/packages/boost.scm b/gnu/packages/boost.scm
index 0a644e8940..882f9cc7c0 100644
--- a/gnu/packages/boost.scm
+++ b/gnu/packages/boost.scm
@@ -51,50 +51,50 @@
        ("python" ,python-2)
        ("tcsh" ,tcsh)))
     (arguments
-     (let ((build-flags
-            `("threading=multi" "link=shared"
+     `(#:tests? #f
+       #:make-flags
+       (list "threading=multi" "link=shared"
 
-              ;; Set the RUNPATH to $libdir so that the libs find each other.
-              (string-append "linkflags=-Wl,-rpath="
-                             (assoc-ref outputs "out") "/lib")
+             ;; Set the RUNPATH to $libdir so that the libs find each other.
+             (string-append "linkflags=-Wl,-rpath="
+                            (assoc-ref %outputs "out") "/lib")
 
-              ;; Boost's 'context' library is not yet supported on mips64, so
-              ;; we disable it.  The 'coroutine' library depends on 'context',
-              ;; so we disable that too.
-              ,@(if (string-prefix? "mips64" (or (%current-target-system)
-                                                 (%current-system)))
-                    '("--without-context"
-                      "--without-coroutine" "--without-coroutine2")
-                    '()))))
-       `(#:tests? #f
-         #:phases
-         (modify-phases %standard-phases
-           (replace
-            'configure
-            (lambda* (#:key outputs #:allow-other-keys)
-              (let ((out (assoc-ref outputs "out")))
-                (substitute* '("libs/config/configure"
-                               "libs/spirit/classic/phoenix/test/runtest.sh"
-                               "tools/build/doc/bjam.qbk"
-                               "tools/build/src/engine/execunix.c"
-                               "tools/build/src/engine/Jambase"
-                               "tools/build/src/engine/jambase.c")
-                  (("/bin/sh") (which "sh")))
+             ;; Boost's 'context' library is not yet supported on mips64, so
+             ;; we disable it.  The 'coroutine' library depends on 'context',
+             ;; so we disable that too.
+             ,@(if (string-prefix? "mips64" (or (%current-target-system)
+                                                (%current-system)))
+                   '("--without-context"
+                     "--without-coroutine" "--without-coroutine2")
+                   '()))
+       #:phases
+       (modify-phases %standard-phases
+         (replace
+             'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (substitute* '("libs/config/configure"
+                              "libs/spirit/classic/phoenix/test/runtest.sh"
+                              "tools/build/doc/bjam.qbk"
+                              "tools/build/src/engine/execunix.c"
+                              "tools/build/src/engine/Jambase"
+                              "tools/build/src/engine/jambase.c")
+                 (("/bin/sh") (which "sh")))
 
-                (setenv "SHELL" (which "sh"))
-                (setenv "CONFIG_SHELL" (which "sh"))
+               (setenv "SHELL" (which "sh"))
+               (setenv "CONFIG_SHELL" (which "sh"))
 
-                (zero? (system* "./bootstrap.sh"
-                                (string-append "--prefix=" out)
-                                "--with-toolset=gcc")))))
-           (replace
-            'build
-            (lambda* (#:key outputs #:allow-other-keys)
-              (zero? (system* "./b2" ,@build-flags))))
-           (replace
-            'install
-            (lambda* (#:key outputs #:allow-other-keys)
-              (zero? (system* "./b2" "install" ,@build-flags))))))))
+               (zero? (system* "./bootstrap.sh"
+                               (string-append "--prefix=" out)
+                               "--with-toolset=gcc")))))
+         (replace
+             'build
+           (lambda* (#:key outputs make-flags #:allow-other-keys)
+             (zero? (apply system* "./b2" make-flags))))
+         (replace
+             'install
+           (lambda* (#:key outputs make-flags #:allow-other-keys)
+             (zero? (apply system* "./b2" "install" make-flags)))))))
 
     (home-page "http://boost.org")
     (synopsis "Peer-reviewed portable C++ source libraries")
-- 
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